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@article{Abe:2019:10.1103/PhysRevD.100.052006,
author = {Abe, K and Akutsu, R and Ali, A and Andreopoulos, C and Anthony, L and Antonova, M and Aoki, S and Ariga, A and Ashida, Y and Awataguchi, Y and Azuma, Y and Ban, S and Barbi, M and Barker, GJ and Barr, G and Barry, C and Batkiewicz-Kwasniak, M and Bench, F and Berardi, V and Berkman, S and Berner, RM and Berns, L and Bhadra, S and Bienstock, S and Blondel, A and Bolognesi, S and Bourguille, B and Boyd, SB and Brailsford, D and Bravar, A and Bronner, C and Avanzini, MB and Calcutt, J and Campbell, T and Cao, S and Cartwright, SL and Catanesi, MG and Cervera, A and Chappell, A and Checchia, C and Cherdack, D and Chikuma, N and Christodoulou, G and Coleman, J and Collazuol, G and Coplowe, D and Cudd, A and Dabrowska, A and De, Rosa G and Dealtry, T and Denner, PF and Dennis, SR and Densham, C and Di, Lodovico F and Dokania, N and Dolan, S and Drapier, O and Duffy, KE and Dumarchez, J and Dunne, P and Emery-Schrenk, S and Ereditato, A and Fernandez, P and Feusels, T and Finch, AJ and Fiore},
doi = {10.1103/PhysRevD.100.052006},
journal = {Physical Review D: Particles, Fields, Gravitation and Cosmology},
title = {Search for heavy neutrinos with the T2K near detector ND280},
url = {http://dx.doi.org/10.1103/PhysRevD.100.052006},
volume = {100},
year = {2019}
}

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TY  - JOUR
AB  - This paper reports on the search for heavy neutrinos with masses in the range 140<MN<493  MeV/c2 using the off-axis near detector ND280 of the T2K experiment. These particles can be produced from kaon decays in the standard neutrino beam and then subsequently decay in ND280. The decay modes under consideration are N→±απ and N→+α−β(−)ν(α,β=e,μ). A search for such events has been made using the Time Projection Chambers of ND280, where the background has been reduced to less than two events in the current dataset in all channels. No excess has been observed in the signal region. A combined Bayesian statistical approach has been applied to extract upper limits on the mixing elements of heavy neutrinos to electron-, muon- and tau- flavored currents (U2e, U2μ, U2τ) as a function of the heavy neutrino mass, e.g., U2e<10−9 at 90% C.L. for a mass of 390  MeV/c2. These constraints are competitive with previous experiments.
AU  - Abe,K
AU  - Akutsu,R
AU  - Ali,A
AU  - Andreopoulos,C
AU  - Anthony,L
AU  - Antonova,M
AU  - Aoki,S
AU  - Ariga,A
AU  - Ashida,Y
AU  - Awataguchi,Y
AU  - Azuma,Y
AU  - Ban,S
AU  - Barbi,M
AU  - Barker,GJ
AU  - Barr,G
AU  - Barry,C
AU  - Batkiewicz-Kwasniak,M
AU  - Bench,F
AU  - Berardi,V
AU  - Berkman,S
AU  - Berner,RM
AU  - Berns,L
AU  - Bhadra,S
AU  - Bienstock,S
AU  - Blondel,A
AU  - Bolognesi,S
AU  - Bourguille,B
AU  - Boyd,SB
AU  - Brailsford,D
AU  - Bravar,A
AU  - Bronner,C
AU  - Avanzini,MB
AU  - Calcutt,J
AU  - Campbell,T
AU  - Cao,S
AU  - Cartwright,SL
AU  - Catanesi,MG
AU  - Cervera,A
AU  - Chappell,A
AU  - Checchia,C
AU  - Cherdack,D
AU  - Chikuma,N
AU  - Christodoulou,G
AU  - Coleman,J
AU  - Collazuol,G
AU  - Coplowe,D
AU  - Cudd,A
AU  - Dabrowska,A
AU  - De,Rosa G
AU  - Dealtry,T
AU  - Denner,PF
AU  - Dennis,SR
AU  - Densham,C
AU  - Di,Lodovico F
AU  - Dokania,N
AU  - Dolan,S
AU  - Drapier,O
AU  - Duffy,KE
AU  - Dumarchez,J
AU  - Dunne,P
AU  - Emery-Schrenk,S
AU  - Ereditato,A
AU  - Fernandez,P
AU  - Feusels,T
AU  - Finch,AJ
AU  - Fiorentini,GA
AU  - Fiorillo,G
AU  - Francois,C
AU  - Friend,M
AU  - Fujii,Y
AU  - Fujita,R
AU  - Fukuda,D
AU  - Fukuda,Y
AU  - Gameil,K
AU  - Giganti,C
AU  - Gizzarelli,F
AU  - Golan,T
AU  - Gonin,M
AU  - Hadley,DR
AU  - Haegel,L
AU  - Haigh,JT
AU  - Hamacher-Baumann,P
AU  - Hartz,M
AU  - Hasegawa,T
AU  - Hastings,NC
AU  - Hayashino,T
AU  - Hayato,Y
AU  - Hiramoto,A
AU  - Hogan,M
AU  - Holeczek,J
AU  - Van,NTH
AU  - Hosomi,F
AU  - Iacob,F
AU  - Ichikawa,AK
AU  - Ikeda,M
AU  - Inoue,T
AU  - Intonti,RA
AU  - Ishida,T
AU  - Ishii,T
AU  - Ishitsuka,M
AU  - Iwamoto,K
AU  - Izmaylov,A
AU  - Jamieson,B
AU  - Jesus,C
AU  - Jiang,M
AU  - Johnson,S
AU  - Jonsson,P
AU  - Jung,CK
AU  - Kabirnezhad,M
AU  - Kaboth,AC
AU  - Kajita,T
AU  - Kakuno,H
AU  - Kameda,J
AU  - Karlen,D
AU  - Katori,T
AU  - Kato,Y
AU  - Kearns,E
AU  - Khabibullin,M
AU  - Khotjantsev,A
AU  - Kim,H
AU  - Kim,J
AU  - King,S
AU  - Kisiel,J
AU  - Knight,A
AU  - Knox,A
AU  - Kobayashi,T
AU  - Koch,L
AU  - Koga,T
AU  - Koller,PP
AU  - Konaka,A
AU  - Kormos,LL
AU  - Koshio,Y
AU  - Kowalik,K
AU  - Kubo,H
AU  - Kudenko,Y
AU  - Kurjata,R
AU  - Kutter,T
AU  - Kuze,M
AU  - Labarga,L
AU  - Lagoda,J
AU  - Lamoureux,M
AU  - Lasorak,P
AU  - Laveder,M
AU  - Lawe,M
AU  - Licciardi,M
AU  - Lindner,T
AU  - Liptak,ZJ
AU  - Litchfield,RP
AU  - Li,X
AU  - Longhin,A
AU  - Lopez,JP
AU  - Lou,T
AU  - Ludovici,L
AU  - Lu,X
AU  - Lux,T
AU  - Magaletti,L
AU  - Mahn,K
AU  - Malek,M
AU  - Manly,S
AU  - Maret,L
AU  - Marino,AD
AU  - Martin,JF
AU  - Martins,P
AU  - Maruyama,T
AU  - Matsubara,T
AU  - Matveev,V
AU  - Mavrokoridis,K
AU  - Ma,WY
AU  - Mazzucato,E
AU  - McCarthy,M
AU  - McCauley,N
AU  - McFarland,KS
AU  - McGrew,C
AU  - Mefodiev,A
AU  - Metelko,C
AU  - Mezzetto,M
AU  - Minamino,A
AU  - Mineev,O
AU  - Mine,S
AU  - Miura,M
AU  - Bueno,LM
AU  - Moriyama,S
AU  - Morrison,J
AU  - Mueller,TA
DO  - 10.1103/PhysRevD.100.052006
PY  - 2019///
SN  - 1550-2368
TI  - Search for heavy neutrinos with the T2K near detector ND280
T2  - Physical Review D: Particles, Fields, Gravitation and Cosmology
UR  - http://dx.doi.org/10.1103/PhysRevD.100.052006
UR  - http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000485197200001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
UR  - http://hdl.handle.net/10044/1/74404
VL  - 100
ER  -

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